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09-12-2016, 05:24 PM
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#1 |
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Senior Member
Join Date: Jul 2004
Location: Round Rock, Texas
Posts: 852
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Lights pulsating: 2004 Suburban
All of the lights pulsate when the engine is running (headlights, dome, dash, etc.) No pulsating when running exclusively off of the battery. AutoZone checked the battery and alternator and everything checked out, including the diodes in alternator (which is less than a year old).
None of the wires look bad and all are connected securely. I removed the ground wire coming off of the black battery wire and cleaned it and the metal surface just in case. I tried replacing the headlight switch with no luck. Battery doesn't drain, but it is extremely annoying. Any thoughts?
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Hook'em |
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09-12-2016, 08:30 PM
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#2 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,217
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Re: Lights pulsating: 2004 Suburban
Sounds like a chargeing issuse to me it really does
__________________
David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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